it is carved out of limestone
Yes - The Great Sphinx of Giza is carved from limestone.
The sphinx was carved out of solid limestone. No bricks were used.
it was made out of limestone and carved by hand.
The Great Sphinx, believed to be the most immense stone sculpture in the round ever made by man, was carved [sculpted] from a huge rectangular bedrock block of limestone.
The head of the Great Sphinx now is believed to be that of the pharaoh Khafra.
It is carved of natural limestone of Giza.
A sphinx is generally constructed to resemble the body of a lion and the head of a Pharaoh. The building materials are carved stone blocks.
The pharoah Khephra.
THE EGYPTIANS CARVED IT FROM STONE, UNDER THE PHARAOH KHAFRE'S ORDERS.
Limestone
No, the Sphinx is carved from limestone. Iron rusts, limestone doesn't rust. But its limestone is damaged, both by weathering and deliberate acts of man.